Lenovo 5b21r01989 Motherboard Intel Core I5-1335u 8GB

Product Description

The LENOVO 5b21r01989 is an OEM replacement motherboard designed for Lenovo laptop systems. Based on the part number designation, this board integrates an Intel Core i5-1335U processor and 8GB of onboard memory, making it a direct board-level replacement for systems that have experienced motherboard failure. Installation requires disassembly of the host laptop chassis and transfer of compatible components such as storage drives, wireless cards, and display cables. This part is sourced directly from Lenovo and is intended for use by qualified service technicians performing depot-level repairs.

This motherboard is suited for Lenovo laptop repair applications where the original board has failed due to power fault, physical damage, or component-level failure. The integrated Intel Core i5-1335U processor and 8GB onboard RAM configuration make this a complete logic board replacement rather than a partial repair solution. Service centers and independent repair technicians handling Lenovo consumer and commercial laptop lines are the primary installers of this component.

Key Features

• OEM Lenovo replacement motherboard for direct swap compatibility
• Integrated Intel Core i5-1335U processor onboard
• 8GB onboard memory configuration
• Designed for depot-level laptop board replacement service
• Genuine Lenovo part for verified fit and function

Compatibility

Designed as an OEM-style replacement motherboard for compatible Lenovo laptop systems. Refer to the Lenovo parts database using MPN 5b21r01989 to confirm fitment for the specific model being serviced before ordering.

Installation Notes

Motherboard replacement should be performed by a qualified laptop service technician. Disconnect all power sources and remove the battery before beginning disassembly. Follow applicable electrostatic discharge (ESD) precautions throughout the repair. Refer to the Lenovo hardware maintenance manual for the specific model to identify correct disassembly sequence and cable routing.

Technical Specifications

• Processor: Intel Core i5-1335U (integrated)
• Memory: 8GB onboard
• Part Type: OEM Replacement Motherboard

Standard Information

• Brand: LENOVO
• Manufacturer Part Number: 5b21r01989